A white crystalline tasteless substance extracted from gum storax, and consisting of a salt of cinnamic acid with cinnamic alcohol.
Indigo blue is also made from artificial amido cinnamic acid, and from artificial isatine; and these methods are of great commercial importance.
Pertaining to, or designating, an acid obtained from atropine, and isomeric with cinnamic acid.
Oil of cinnamon consists essentially of hydride of cinnamyl, but, unless when very recently prepared, it also contains a variable proportion of cinnamic acid formed by the oxidation of the hydride.
Defn: A white, crystalline, nitrogenous hydrocarbon, C9H9NO, obtained from certain derivatives of cinnamic acid and closely related to quinoline and carbostyril.
Defn: A white crystalline tasteless substance extracted from gum storax, and consisting of a salt of cinnamic acid with cinnamic alcohol.
Defn: A hypothetical radical found in certain derivatives of styrolene and cinnamic acid; -- called also cinnyl, or cinnamyl.
Defn: A nitrogenous compound, C7H6N2, analogous to indol, and produced from a diazo derivative or cinnamic acid.
Defn: Pertaining to, or designating, an acid obtained from atropine, and isomeric with cinnamic acid.
An illustration of this rule is afforded by the two substances chloro- and bromo-cinnamic aldehyde already mentioned.
The odour of Siam benzoin is partly due to the presence of vanillin, and the substance contains as much as 38% of benzoic acid but no cinnamic acid.
It can be prepared by the oxidation of toluene, benzyl alcohol, benzaldehyde and cinnamic acid; by the oxidation of benzene with manganese dioxide and concentrated sulphuric acid in the cold (L.
Golding Bird recommends also Cinnamic acid, which is contained in Cinnamon water, and in the balsams of Peru and Tolu.
Benzoic and Cinnamic acids are converted into Hippuric acid, which passes out in the urine.
The potash solution separated from the Peru balsam oil, contains cinnamic acid, benzoic acid, and resin.
In Tolu balsam have been found toluene, cinnamicand benzoic acids, and several resins not yet sufficiently examined.
On boiling Tolu balsam with water, cinnamic and benzoic acids are separated from the solution.
Viewed under the microscope liquid storax appears as a colorless thickish fluid, intermingled with larger and smaller drops, fragments of bark tissue, and now and then, perhaps, with crystals of styracin and cinnamic acid.
The content of cinnamic and benzoic acids amounts to from 12 to 20 per cent.
It stands in the same relation to cinnamic acid as benzol to benzoic acid, and is formed by distilling a mixture of cinnamic acid and barium oxide.
A mixture of cinnamic acid and any of the fatty acids present in the Peru balsam is thereby obtained, which, after treatment with water, remains in the residue.
The establishment of the presence of cinnamic acid is best effected as follows: Boil the sample in milk of lime, filter, and treat the solution with hydrochloric acid.
Good qualities are abundantly covered with crystalline efflorescences (of cinnamic acid and styracin); poorer qualities prepared with the addition of sawdust have a musty odor.
The best varieties from Sumatra and Singapore contain no benzoic acid, and those from Siam no cinnamic acid.
Benzoin generally consists of cinnamic and benzoic acids which occur in a crystalline state in the grains as well as the ground-mass; further, of several amorphous resins soluble in alcohol, and coloring matter.
An isomer of cinnamic acid known as allo-cinnamic acid is also known.
Cinnamic acid crystallizes in needles or prisms, melting at 133 deg.
It consists essentially of cinnamic aldehyde, and by the absorption of oxygen as it becomes old it darkens in colour and develops resinous compounds.
Other constituents of the oil are cinnamyl acetate andcinnamic acid.
The value of the oil depends upon its aldehyde content, the chief constituent being cinnamic aldehyde.
The oil consists chiefly of benzyl benzoate and cinnamate, together with styracin, or cinnamyl cinnamate, and a small quantity of free benzoic and cinnamic acids.
Besides cinnamic aldehyde the oil contains eugenol and phellandrene.
Wolff has converted this alcohol by oxidizing agents into cinnamic acid.
Some years since, Strecker has shown that styrone, which is obtained when styracine is treated with potash, is the alcohol of cinnamic acid.
The author has now proved that under the same conditions by which ordinary alcohol affords aldehyde, styrone affords the aldehyde of cinnamic acid, that is, oil of cinnamon.
By the addition of diluted sulphuric acid, the aldehyde of cinnamic acid is afterwards procured pure.
OH, of acid properties derived from one of the amido cinnamic acids.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "cinnamic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
